Rock Type

Anorthosite

Gabbroic anorthosite

Anorthositic gabbro

S.No

1

2

3

4

5

6

8

9

10

11

12

13

14

15

16

17

18

19

Sample No

14

16

21

42

56

28

12

18

15

21

24

31

9

11

59

66

82

75

SiO2

46.38

47.12

48.23

50.23

44.95

49.02

46.42

46.72

46.95

45.72

48.23

45.02

49.92

47.26

48.26

44.23

47.23

46.97

TiO2

0.03

0.04

0.03

0

0.02

0.1

0.19

0

0.08

0.09

0.11

0.08

0.46

0.09

0

0.07

0

0.36

Al2O3

29.98

31.5

30.92

31.03

32.82

29.96

29.76

30.82

30.23

31.05

29.05

31.06

25.02

27.02

27.12

31.02

26.95

24.12

Fe2O3t

0.25

1.87

0.85

0.09

0.45

0.84

0.34

1.29

2.38

2.42

3.26

2.57

5.25

4.9

0.32

3.23

1.52

6.74

Feo

1.25

0.49

2.2

1.6

2.4

2.76

MnO

0.16

0.04

0.02

0.02

0.01

0.01

0.27

0.1

0.04

0.04

0.05

0

0.09

0.07

0.23

0.04

0.1

0.09

MgO

0.48

1.26

0.5

0.4

0.97

0.11

2.6

2.09

3.11

2.96

3.26

2.56

2.56

2.42

4.95

2.37

5.21

2.21

CaO

16.02

14.28

15.23

12.83

15.89

12.83

14.95

14.81

14.32

14.16

13.92

15.23

11.54

13.02

14.42

15.25

13.96

13.2

Na2O

2.73

1.96

1.99

3.5

2.26

4.61

2.35

2.25

2.02

2.16

2.16

2.23

3.23

3.33

1.78

2.62

2.3

3.97

K2O

0.09

0.11

0.11

0.08

0.06

0.09

0.2

0.09

0.1

0.1

0.1

0.08

0.59

0.28

0.13

0.03

0.24

0.28

P2O5

0.67

0.01

0.01

0.3

0.01

0.02

0.34

0.15

0.01

0.01

0.02

0.01

0.08

0.01

0.33

0.01

0.02

0.01

Total

98.04

98.19

97.89

98.97

97.44

97.59

99.62

99.92

99.24

98.71

100.16

98.84

98.74

98.4

99.94

98.87

100.29

97.95

CIPW

Q

0.00

2.85

2.97

2.31

0.00

0.00

0.00

0.00

0.00

0.00

0.66

0.00

1.58

0.00

0.68

0.00

0.00

0.00

C

0.00

2.22

0.00

2.58

0.17

0.00

0.00

0.45

0.79

1.67

0.13

0.00

0.00

0.00

0.00

0.00

0.00

0.00

Or

0.53

0.65

0.65

0.47

0.36

0.53

1.18

0.53

0.59

0.59

0.59

0.47

3.49

1.66

0.77

0.18

1.42

1.66

Ab

19.06

16.59

16.84

29.62

12.21

27.93

18.00

19.04

17.09

18.28

18.28

13.26

27.33

23.53

15.06

10.81

19.18

23.55

An

69.28

70.78

75.11

61.69

78.77

60.79

70.06

72.50

70.98

70.19

68.93

74.50

52.03

57.95

65.63

72.79

62.50

47.17

Ne

2.19

0.00

0.00

0.00

3.74

6.00

1.02

0.00

0.00

0.00

0.00

3.04

0.00

2.52

0.00

6.16

0.16

5.44

Di

3.05

0.00

0.28

0.00

0.00

0.59

1.47

0.00

0.00

0.00

0.00

0.55

2.69

5.09

2.94

2.11

5.17

11.88

Wo

0.83

0.00

0.00

0.00

0.00

0.70

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.88

Hy

0.00

3.15

1.12

1.03

0.00

0.00

0.00

1.28

6.17

0.86

8.12

0.00

5.13

0.00

11.39

0.00

0.00

0.00

Ol

0.00

0.00

0.00

0.00

1.69

0.00

4.20

2.89

1.11

4.57

0.00

4.29

0.00

2.57

0.00

3.45

7.56

0.00

Il

0.06

0.08

0.04

0.00

0.02

0.02

0.36

0.00

0.09

0.09

0.11

0.00

0.19

0.15

0.00

0.09

0.00

0.19

Tn

0.00

0.00

0.02

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.88

0.00

0.00

0.00

0.00

0.00

Pf

0.00

0.00

0.00

0.00

0.00

0.15

0.00

0.00

0.00

0.00

0.00

0.14

0.00

0.02

0.00

0.04

0.00

0.44

Ru

0.00

0.00

0.00

0.00

0.01

0.00

0.00

0.00

0.04

0.05

0.05

0.00

0.00

0.00

0.00

0.00

0.00

0.00

Ap

1.59

0.02

0.02

0.71

0.02

0.05

0.81

0.36

0.02

0.02

0.05

0.02

0.19

0.02

0.78

0.02

0.05

0.02

Sum

96.58

96.33

97.05

98.41

97.00

96.76

97.11

97.05

96.87

96.30

96.91

96.28

93.50

93.51

97.25

95.65

96.02

91.22

% Feldspar

88.88

88.02

92.60

91.78

91.34

89.25

89.25

92.07

88.66

89.05

87.80

88.23

82.85

83.14

81.46

83.78

83.10

72.37

% An

77.95

80.42

81.11

67.22

86.24

68.11

78.51

78.74

80.05

78.81

78.51

84.44

62.80

69.71

80.57

86.89

75.22

65.18

% Qtz

0.00

2.96

3.06

2.35

0.00

0.00

0.00

0.00

0.00

0.00

0.68

0.00

1.68

0.00

0.70

0.00

0.00

0.00

% Olvine

0.00

0.00

0.00

0.00

1.75

0.00

4.33

2.98

1.14

4.74

0.00

4.45

0.00

2.75

0.00

3.61

7.87

0.00